Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

California

Precipitation Rankings, September 1907

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1907
1-Month 		0.16"
(4.06mm)		 0.45"
(11.43mm)		 -0.29"
(-7.37mm)		 35th Driest
Driest since:
 1974
94th Wettest
Wettest since:
 1918
Ties: 1943, 1965, 2010
Aug–Sep 1907
2-Month 		0.36"
(9.14mm)		 0.69"
(17.53mm)		 -0.33"
(-8.39mm)		 40th Driest
Driest since:
 1937, 2018
89th Wettest
Wettest since:
 1983
Ties: 1914, 1942, 1946
Jul–Sep 1907
3-Month 		0.41"
(10.41mm)		 0.87"
(22.10mm)		 -0.46"
(-11.69mm)		 26th Driest
Driest since:
 1928
103rd Wettest
Wettest since:
 1976
Ties: 1899, 1915
Jun–Sep 1907
4-Month 		1.32"
(33.53mm)		 1.22"
(30.99mm)		 0.10"
(2.54mm)		 83rd Driest
Driest since:
 2002
46th Wettest
Wettest since:
 1982
Ties: 1897
May–Sep 1907
5-Month 		2.03"
(51.56mm)		 2.10"
(53.34mm)		 -0.07"
(-1.78mm)		 68th Driest
Driest since:
 1924
61st Wettest
Wettest since:
 1998
Ties: 1959
Apr–Sep 1907
6-Month 		3.14"
(79.76mm)		 3.74"
(95.00mm)		 -0.60"
(-15.24mm)		 46th Driest
Driest since:
 1924
83rd Wettest
Wettest since:
 1896
Ties: 1918, 2013
Mar–Sep 1907
7-Month 		11.86"
(301.24mm)		 6.95"
(176.53mm)		 4.91"
(124.71mm)		 123rd Driest
Driest since:
 2008
6th Wettest
Wettest since:
 1995
Feb–Sep 1907
8-Month 		15.52"
(394.21mm)		 10.80"
(274.32mm)		 4.72"
(119.89mm)		 117th Driest
Driest since:
 2021
12th Wettest
Wettest since:
 1998
Jan–Sep 1907
9-Month 		22.02"
(559.31mm)		 15.05"
(382.27mm)		 6.97"
(177.04mm)		 116th Driest
Driest since:
 2022
13th Wettest
Wettest since:
 1998
Dec 1906–Sep 1907
10-Month 		29.26"
(743.20mm)		 18.67"
(474.22mm)		 10.59"
(268.98mm)		 122nd Driest
Driest since:
 1924
6th Wettest
Wettest to Date
 1983
Ties: 1958
Nov 1906–Sep 1907
11-Month 		31.09"
(789.69mm)		 21.25"
(539.75mm)		 9.84"
(249.94mm)		 120th Driest
Driest since:
 1924
8th Wettest
Wettest to Date
 1983
Oct 1906–Sep 1907
12-Month 		31.20"
(792.48mm)		 22.45"
(570.23mm)		 8.75"
(222.25mm)		 117th Driest
Driest since:
 1924
11th Wettest
Wettest to Date
 1983
Apr 1906–Sep 1907
18-Month 		37.10"
(942.34mm)		 26.19"
(665.23mm)		 10.91"
(277.11mm)		 120th Driest
Driest since:
 2021
8th Wettest
Wettest to Date
 1983
Oct 1905–Sep 1907
24-Month 		59.34"
(1,507.24mm)		 44.90"
(1,140.46mm)		 14.44"
(366.78mm)		 120th Driest
Driest since:
 1977
7th Wettest
Wettest to Date
 1983
Oct 1904–Sep 1907
36-Month 		82.75"
(2,101.85mm)		 67.32"
(1,709.93mm)		 15.43"
(391.92mm)		 118th Driest
Driest since:
 2022
8th Wettest
Wettest to Date
 1984
Oct 1903–Sep 1907
48-Month 		111.12"
(2,822.45mm)		 89.51"
(2,273.55mm)		 21.61"
(548.90mm)		 119th Driest
Driest since:
 2015
6th Wettest
Wettest to Date
 1998
Oct 1902–Sep 1907
60-Month 		133.78"
(3,398.01mm)		 111.69"
(2,836.93mm)		 22.09"
(561.08mm)		 116th Driest
Driest since:
 1991
8th Wettest
Wettest to Date
 1999

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